Plan C | Making and Testing a 'DodgyPLA' (Open Source CPLD PLA for C64) @Plan-C | Uploaded November 2019 | Updated October 2024, 10 hours ago.
Thought I would test the limits of my home etching and build a few CPLD PLAs for the Commodore 64.

Video shows cold toner transfer method, building of board from scratch, programming with a Xilinx programmer and iMPACT and then a quick test in one of my fussiest C64s with an especially fussy Super Zaxxon cartridge.

Good Luck All.

Links:

DodgyPLA (board, schematics, .jed files):
github.com/desaster/c64-dodgypla

Cold Toner Transfer better explanation:
youtube.com/watch?v=HBIxvwZ_0og

Xilinx Software:
Making Xilinx Software work on Windows 10:
youtube.com/watch?v=VMEIPCjqinA

Firmware Used: (.jed file)
github.com/hackup/c64-dodgypla (link to .jed file used here)

Other DodgyPLA Builds:

XCPLA Build:
hackup.net/2019/06/the-xcpla-yet-another-pla-replacement/nggallery/slideshow

Kludge Build: (.jed, gerbers for fab house etc)
gitlab.com/kludge/dodgypla

All of these are based on original work by skoe:
bitbucket.org/skoe/pla/src/default
Detailed Analysis of the C64 PLA:
skoe.de/docs/c64-dissected/pla/c64_pla_dissected_a4ds.pdf

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